21246712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1237}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 42339600

約数和(自身を除く): 21092888

約数列:

[1, 2, 4, 8, 19, 38, 76, 113, 152, 226, 452, 904, 1237, 2147, 2474, 4294, 4948, 8588, 9896, 17176, 23503, 47006, 94012, 139781, 188024, 279562, 559124, 1118248, 2655839, 5311678, 10623356, 21246712]

約数ペア:

[(1, 21246712), (2, 10623356), (4, 5311678), (8, 2655839), (19, 1118248), (38, 559124), (76, 279562), (113, 188024), (152, 139781), (226, 94012), (452, 47006), (904, 23503), (1237, 17176), (2147, 9896), (2474, 8588), (4294, 4948)]